Alpha Arbutin
Obtained from bearberry plant like Uva ursi, alpha arbutin is commonly used as an antioxidant hence used in most anti-aging products. This compound is known to inhibit activity of enzyme tyrosinase that is responsible for formation of melanin an element that protects the skin against harmful environmental conditions such as sun poisoning effect of UV and UVB radiations from the sun.

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Specification: 98%, 99%
Botanical Name: Uva ursi
Appearance:White crystalline powder
Mesh: 80
Loss on drying% ≤1.0
Ignition residue: ≤0.5%
Melting point: 203~206±1°C
Specific optical rotation: D20=+176~184o
Clarity of water solution: Transparency, colorless, nonesuspended matters
pH value of 1% aqueoussolution: 5.0~7.0

Storage and shelf life
Storage: 1kg foil bag, 25kg/drum ,double plastic bags for inner packing and carton drum for outer packing
Stored conditions: Cool&dry place. Do not freeze. Keep away from strong light and heat
Shelf time: 3 years when stored properly